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See our article about optical prints.
Perspective views were produced from the early eighteenth century to the beginning of the nineteenth, the greatest number of them probably between c. 1740-1790.
Little has been published (particularly in English) on the type of print known as the perspective view, intended for use in an optical diagonal machine.
A so-called optical print of Valletta seen from the castle. This rare optical print shows people in typical French dresses in the foreground and placed in boats.In the ei...